3.+Rubric

= ** Voicethread Rubric 100points ** =

1. Define a bond and explain why bonds form in addition to why bonding is so important for chemistry 8 pts.   2. Explain metallic bonding and how a metallic bond is formed 4 pts.

3. Explain how the way a metallic bond forms determines the properties and strength of the metals and their structure. 5 pts.

4. Explain ionic bonding and how an ionic bond is formed. 4 pts.

5. Explain how the way an ionic bond forms determines the structure of the ionic compound as well as its properties. 5 pts.

6. Explain covalent bonding and how a covalent bond is formed – Be sure to explain and compare/contrast between single, double and triple bonds. 10 pt 7. Describe the four types of covalent bonds and provide an example of each. 8 pts.

8. Explain how the way a covalent bond forms determines the structure of the molecular compound as well as its properties. 4 pts.

9. Describe the rule that governs covalent Lewis structures. 2 pts.

10. Explain covalent compound structures using VSEPR theory and the 5 possible shapes with an example of each. 10 pts.

11. Explain molecular polarity and how it is determined, what it depends on. 4 pts.

12. Explain how molecular polarity influences intermolecular forces. 5 pts.

13. Explain the four types of intermolecular forces and give an example of each. 8 pts.

14. Explain how intermolecular forces affect the melting/boiling points of compounds and their solubility (“likes dissolve likes”). 5 pts.

15. History of bonding theory. 10 pts.

16. Scientists. 8 pts.

= Format 30 points =

1. Readable font in terms of size and type 5 pts.

2. Use of slides is effective and are not overcrowded with information. 5 pts.

3. Use of voiceover is effective in explaining the concepts and understandable to the listener 5 pts.

4. Use of animation/pictures/illustrations is effective in explaining the concepts 5 pts.

5. Creative use of voicethread and PowerPoint to show mastery of material 5 pts.

6. Title slide with name, period, and creative title. 5 pts.